#include<iostream>
#include<iomanip>
using namespace std;
int main(){
	float m,h,BMI;
	cin>>m>>h;
	BMI=m/h*h;
	if(BMI<18.5){
		cout<<"Underweight"<<endl;
	}
	if(BMI>=18.5 && BMI<24){
		cout<<"Normal"<<endl;
	}
	if(BMI>=24){
		cout<<fixed<<setprecision(6)<<BMI<<endl;
		cout<<"Overweight"<<endl;
	}
	
	return 0;
}
